The Bose SoundLink Revolve+ II produces true 360° sound through a precisely angled transducer and passive radiator that fill an entire room with consistent, detailed audio regardless of where listeners are positioned. With up to 17 hours of battery life, IPX4 water resistance, and a built-in handle for portability, it's a premium choice for entertaining indoors and outdoors. Built-in speakerphone with noise and echo reduction makes it useful for conference calls as well as music. Two SoundLink Revolve+ IIs can be paired for stereo separation, creating an impressive wireless audio setup for events and gatherings.